JP2016521785A5 - - Google Patents

Claims (28)

A porous polymeric material comprising a thermoplastic composition, wherein the plastic composition comprises a continuous phase in which a first inclusion additive and a second inclusion additive are dispersed in the form of discrete regions; the continuous phase comprises a matrix polymer, formed in the first region where a plurality of micro-pores has an average cross-sectional dimension of about 0.5 to about 30 micrometers, and / or around the first region It is, in the second region in which a plurality of nanopores having an average cross-sectional dimension of from about 50 to about 500 nanometers, and / or is formed around the second region, the porous polymeric material. The nanopores about 60 to about 450 nanometers, the micro pores have an average cross-sectional dimension of from about 1 to about 20 micrometers, porous polymeric material of claim 1. It said first region has an average cross-sectional dimension of about 0.05 to about 50 micrometers, and / or region of the second region has an average cross-sectional dimension of from about 50 to about 500 nanometers, The porous polymer material according to claim 1 or 2 . Said porous network, in the second region, and / or further comprising a plurality of second nanopores formed around said second region, in any one of claims 1 3 The porous polymer material described. The second nanopore has an average cross-sectional dimension of from about 1 to about 50 nanometers Le, porous polymeric material of claim 4. 6. The porous polymeric material according to any one of claims 1 to 5 , wherein the total pore volume of the porous polymeric material is from about 15% to about 80 % per cubic centimeter of the material. Wherein the polymeric material has a density of about 1.2 g g / cm ³ hereinafter, the porous polymeric material according to any one of claims 1 to 6. The continuous phase comprises from about 60% to about 99% by weight of the thermoplastic composition, and the first inclusion additive is from about 1% to about 30% of the composition based on the weight of the continuous phase. configure wt%, comprises about 0.05 wt% to about 20% by weight of the composition, based the second inclusion additive to the weight of the continuous phase, any one of claims 1 to 7 one The porous polymer material according to item . It said matrix polymer comprises a polyester or polyolefin, porous polymeric material according to any one of claims 1 to 8. It said matrix polymer has a glass transition temperature of above about 0 ° C., the porous polymeric material according to any one of claims 1 to 9. The porous polymeric material according to any one of claims 1 to 10 , wherein the first inclusion additive comprises a polyolefin. The porous polymeric material according to any one of the preceding claims , wherein the second inclusion additive comprises a functional polyolefin. The porous polymeric material according to claim 12 , wherein the second inclusion additive is a polyepoxide. Wherein the thermoplastic composition further comprising a continuous phase within the third inclusion additive dispersed in the form of individual third region, the porous high according to any one of claims 1 to 13 Molecular material. The third region has an average cross-sectional dimension of from about 1 to about 50 nanometers Le, porous polymeric material of claim 14. Said network further comprises in said third region having an average cross-sectional dimension of from about 1 to about 50 nanometers, and / or a plurality of nanopores formed around the third region, according to claim 14 Or the porous polymer material according to 15 ; The porous polymeric material according to any one of claims 14 to 16 , wherein the third inclusion additive comprises nanoclay. The porous polymeric material according to claim 17 , wherein the third inclusion additive is mixed with a carrier resin. Wherein the carrier resin is in the form of areas with a mean cross-sectional dimension of about 0.5 to about 30 micro meters, it is dispersed in the continuous phase, the porous polymeric material of claim 18. 20. The method of any one of claims 14 to 19 , wherein the third inclusion additive comprises from about 0.05% to about 20 % by weight of the thermoplastic composition, based on the weight of the continuous phase. The porous polymer material described. The porous polymeric material according to any one of claims 1 to 20 , wherein the thermoplastic composition further comprises an interface modifier. The porous polymer material according to any one of claims 1 to 21 , wherein the polymer material is substantially free of a gas blowing agent. The porous polymer material according to any one of claims 1 to 22 , wherein the micropores are elongated and the nanopores are substantially spherical. 24. Any one of claims 1 to 23 , wherein the porous network is distributed in a substantially uniform form throughout the material and / or the micropores and / or nanopores are substantially parallel columns . The porous polymer material according to one item . 25. A method of forming the porous polymeric material according to any one of claims 1 to 24 , wherein the method puts the thermoplastic composition into a solid state to form the porous network. A method comprising a step of stretching for a while. Wherein the composition is lengthened rolling at a temperature of about -50 ° C. ~ about 50 ° C., The method of claim 25. Wherein the composition, wherein are drawn in the matrix polymer and / or at least about 10 ° C. lower have a temperature above the glass transition temperature of the first inclusion additives, The method according to claim 25 or 26. 28. A method according to any one of claims 25 to 27 , wherein the composition is mechanically stretched.